This quiz will test your knowledge of key concepts in data visualization and data science. You will be asked questions about visualization best practices, different chart types, and commonly used Python libraries like Matplotlib, Seaborn and Plotly.

The number of attempts remaining is 5

1 / 30

Which function is used to create a scatter plot in Plotly?

A) go.Scatter()

B) plotly.graph_objects.Scatter()

C) plot.scatter()

D) scatter_plot()

2 / 30

How do you add a grid to a matplotlib plot?

A) plt.add_grid(True)

B) plt.grid(True)

C) plt.gridlines(True)

D) plt.set_grid(True)

3 / 30

Which Excel function creates a pivot table?

A) =SUMMARY()

B) =PIVOT()

C) =ANALYZE()

D) =TRANSPOSE()

4 / 30

How do you change the fontsize of labels in Matplotlib?

A) fontsize=16

B) font_size=16

C) set_fontsize(16)

D) label_size=16

5 / 30

How do you save a figure without displaying it in Matplotlib?

A) plt.savefig('figure.png')

B) plt.to_file('figure.png')

C) plt.export('figure.png')

D) plt.save('figure.png')

6 / 30

Which seaborn function is used to draw a boxplot?

A) sns.boxplot()

B) sns.box()

C) sns.plot_box()

D) sns.draw_box()

7 / 30

What is facetting in data visualization?

A) Scaling the plot for different devices

B) Relabeling the axes and legends

C) Dividing the plot area into panels to show subsets of data

D) Combining multiple plots into subplots

8 / 30

What is a pivot table in data visualization?

A) A map to overlay data on geographic locations

B) A tool for rearranging and summarizing data

C) A chart type to visualize time series data

D) A deep learning model for processing images

9 / 30

Which seaborn function is used to draw a line plot?

A) sns.lines()

B) sns.draw_line()

C) sns.lineplot()

D) sns.plot_line()

10 / 30

Which function is used to create a histogram in Matplotlib?

A) plt.hist()

B) plt.histogram()

C) plt.plot_hist()

D) plt.draw_hist()

11 / 30

What is the purpose of a heatmap in data visualization?

A) To draw 3D plots

B) To visualize data density or intensity across a 2D space

C) To create interactive plots

D) To plot time series data

12 / 30

How do you set the x-axis label in a matplotlib plot?

A) x_label('x-axis')

B) set_xlabel('x-axis')

C) label_x('x-axis')

D) plt.xlabel('x-axis')

13 / 30

What type of chart is best for comparing groups?

A) Line chart

B) Bar chart

C) Pie chart

D) Scatter plot

14 / 30

How do you set the color of bars in a seaborn barplot?

A) bar_color='blue'

B) set_color('blue')

C) color_bar='blue'

D) color='blue'

15 / 30

How do you set the size of a figure in matplotlib?

A) plt.resize(width height)

B) plt.set_size(width height)

C) plt.size(width height)

D) plt.figure(figsize=(width height))

16 / 30

Which Plotly class is used to create bar charts?

A) BarChart()

B) plotly.graph_objects.Bar()

C) go.Bar()

D) bar_plot()

17 / 30

Did you subscribe to our YouTube channel Codancis ?

A) Yes

B) Don't use YouTube

C) Already subscribed

D) No

18 / 30

Which library in Python is primarily used for plotting data?

A) matplotlib

B) pandas

C) scipy

D) numpy

19 / 30

What type of visualization shows relationships between data clusters?

A) Scatter plot matrix

B) Heatmap

C) Choropleth map

D) Tree map

20 / 30

Which Plotly method updates axes properties (like ranges) non-uniformly?

A) axes_update()

B) update_axlims()

C) fig.update_axes()

D) fig.update_xaxes()

21 / 30

Which layout attribute sets grid line properties?

A) layout.grid

B) xaxis_grid

C) gridlines

D) set_grid

22 / 30

What type of chart is best for showing proportions within a whole?

A) Bar chart

B) Scatter plot

C) Line chart

D) Pie chart

23 / 30

Which function is used to add subplots in Matplotlib?

A) plt.create_subplot()

B) plt.subplot()

C) plt.subplots()

D) plt.add_subplot()

24 / 30

What library is used in Python for interactive web-based data visualization?

A) Plotly

B) Matplotlib

C) Bokeh

D) Seaborn

25 / 30

Which keyword argument controls marker size in Plotly scatter plots?

A) marker_size

B) s

C) point_size

D) size

26 / 30

Which function in matplotlib is used to create a scatter plot?

A) plt.plot_scatter()

B) plt.scatter()

C) plt.draw_scatter()

D) plt.scatter_plot()

27 / 30

What is the primary purpose of data visualization?

A) To make data look complex

B) To make data easier to understand and interpret

C) To hide information

D) To create databases

28 / 30

What type of chart is best for visualizing hierarchical or multi-level categorical data?

A) Pie chart

B) Bar chart

C) Tree map

D) Scatter plot

29 / 30

Which parameter sets the linewidth in Matplotlib?

A) linewidth

B) width_line

C) line_width

D) set_width()

30 / 30

How do you save a Plotly figure as HTML?

A) fig.write_html('fig.html')

B) fig.to_html('fig.html')

C) fig.save_as_html('fig.html')

D) export_html('fig.html')

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